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Interim Estimates of COVID-19 Vaccine Effectiveness Against COVID-19-Associated Emergency Department or Urgent Care Clinic Encounters and Hospitalizations Among Adults During SARS-CoV-2 B.1.617.2 (Delta) Variant Predominance - Nine States, June-August 2021.
MMWR Morb Mortal Wkly Rep ; 70(37): 1291-1293, 2021 09 17.
Article in English | MEDLINE | ID: covidwho-1441399
ABSTRACT
Data on COVID-19 vaccine effectiveness (VE) since the B.1.617.2 (Delta) variant of SARS-CoV-2, the virus that causes COVID-19, became the predominant circulating strain in the United States are limited (1-3). CDC used the VISION Network* to examine medical encounters (32,867) from 187 hospitals and 221 emergency departments (EDs) and urgent care (UC) clinics across nine states during June-August 2021, beginning on the date the Delta variant accounted for >50% of sequenced isolates in each medical facility's state. VISION Network methods have been published (4).
Subject(s)

Full text: Available Collection: International databases Database: MEDLINE Main subject: COVID-19 Vaccines / SARS-CoV-2 / COVID-19 Type of study: Risk factors Limits: Adolescent / Adult / Aged / Humans / Middle aged / Young adult Country/Region as subject: North America Language: English Journal: MMWR Morb Mortal Wkly Rep Year: 2021 Document Type: Article

Full text: Available Collection: International databases Database: MEDLINE Main subject: COVID-19 Vaccines / SARS-CoV-2 / COVID-19 Type of study: Risk factors Limits: Adolescent / Adult / Aged / Humans / Middle aged / Young adult Country/Region as subject: North America Language: English Journal: MMWR Morb Mortal Wkly Rep Year: 2021 Document Type: Article